WO2010052947A1 - Unite d'alimentation de vehicule - Google Patents

Unite d'alimentation de vehicule Download PDF

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Publication number
WO2010052947A1
WO2010052947A1 PCT/JP2009/061075 JP2009061075W WO2010052947A1 WO 2010052947 A1 WO2010052947 A1 WO 2010052947A1 JP 2009061075 W JP2009061075 W JP 2009061075W WO 2010052947 A1 WO2010052947 A1 WO 2010052947A1
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WO
WIPO (PCT)
Prior art keywords
power supply
semiconductor switching
voltage
boost converter
series
Prior art date
Application number
PCT/JP2009/061075
Other languages
English (en)
Japanese (ja)
Inventor
原隆志
池成昌司
植木浩一
Original Assignee
株式会社村田製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社村田製作所 filed Critical 株式会社村田製作所
Priority to JP2009537427A priority Critical patent/JP4420142B1/ja
Priority to CN200980140369.XA priority patent/CN102177644B/zh
Publication of WO2010052947A1 publication Critical patent/WO2010052947A1/fr
Priority to US13/090,287 priority patent/US9350238B2/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/1438—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle in combination with power supplies for loads other than batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0862—Circuits or control means specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N2011/0881—Components of the circuit not provided for by previous groups
    • F02N2011/0888—DC/DC converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2250/00—Problems related to engine starting or engine's starting apparatus
    • F02N2250/02—Battery voltage drop at start, e.g. drops causing ECU reset

Definitions

  • the present invention relates to a vehicular power supply device, and more particularly to a vehicular power supply device mounted on an idle stop vehicle that automatically stops an engine when the vehicle stops at a signal or the like.
  • the engine is automatically stopped when the vehicle is estimated to be stopped, and then an engine start condition that represents the driver's intention to start When is established, the engine is automatically started by a starter to prepare for starting.
  • Such a phenomenon becomes prominent particularly when the battery used as a power source becomes exhausted due to urban driving or the like that frequently stops and starts.
  • JP 2005-237149 A Japanese Patent Laid-Open No. 2-197441
  • a battery 1 provided as a DC power source, a first load 6, a first capacitor 2, a boost converter circuit 3, a control circuit 4 for controlling the boost converter circuit 3, and the boost converter circuit 3.
  • a connector 5 to which an output voltage is supplied.
  • the connector 5 is connected to a second load (not shown).
  • the first load 6 includes a starter 61, an engine 62, and a generator 63.
  • the starter 61 is supplied with a DC voltage from the battery 1 when the engine is started, and starts the engine 62.
  • electric power is generated by the generator 63 using the rotation as a power source, and this is used as charging power for the battery 1.
  • the step-up converter circuit 3 includes an inductor 31, a first semiconductor switching element 32 including a field effect transistor, a first diode 34, a second capacitor 35, a second diode 36,
  • the inductor 31 and the first semiconductor switching element 32 are connected in series to both ends of the battery 1.
  • the inductor 31 and the first semiconductor switching element 32 are connected to each other.
  • the anode of the first diode 34 is connected to the connection point
  • the output terminal of the connector 5 is connected to the cathode of the first diode 34
  • the second capacitor 35 is connected to both ends of the connector 5. .
  • the user can often replace the battery 1 by himself / herself, and even if the user mistakenly reverses the polarity of the battery 1 in the vehicular power supply device, the current flows in the reverse direction. It is required to provide a protection circuit that does not flow in In order to realize this function, for example, the relay switch 8 shown in FIG. 7 or the third diode 9 shown in FIG. 8 may be used to energize only when a forward current flows.
  • the vehicle power supply device has a problem that the output current is very large, the forward power loss of the third diode 9 and the power consumption of the relay switch 8 become so large that they cannot be ignored, and the life of the battery 1 is shortened. .
  • the vehicle power supply device of the present invention is A boost converter circuit connected to a DC power supply; A voltage detection circuit for detecting an output voltage of the DC power supply; A control circuit that drives the boost converter circuit according to the output voltage detected by the voltage detection circuit to set the output voltage to a predetermined value
  • the boost converter circuit includes: A series circuit composed of at least one inductor and two semiconductor switching elements connected in series to each other is connected to both ends of the DC power supply, At least one rectifying element connected to a connection point between the at least one inductor and the two semiconductor switching elements connected in series; And at least one capacitor connected in parallel to the two semiconductor switching elements connected in series with each other, The two semiconductor switching elements are connected in series so that their body diodes have opposite polarities.
  • the control circuit outputs the boost converter with an output voltage of the DC converter.
  • the boost converter circuit is controlled so as to be an output voltage of a power supply.
  • the load of the boost converter is a power steering device
  • the control circuit controls an output voltage of the boost converter circuit in accordance with steering rotation angle information in the power steering device.
  • the two semiconductor switching elements are both N-channel MOSFETs, and drain terminals or source terminals are connected in series.
  • the low-voltage side semiconductor switching element is controlled by the control circuit
  • the high-voltage side semiconductor switching element is configured as a self-driven element including a diode for applying a bias voltage to the control terminal.
  • a boost converter circuit for compensating for a drop in battery voltage due to a transient increase in load or for supplying a voltage higher than the supply voltage of the battery
  • a circuit that prevents current from flowing in the reverse direction when it is erroneously connected to the reverse polarity can be realized with low loss.
  • a mechanical switch such as a relay switch becomes unnecessary, and the occurrence of sparks and noise can be suppressed.
  • FIG. 1 is a circuit diagram illustrating a configuration of a vehicle power supply device according to a first embodiment of the present invention.
  • a vehicle power supply device includes a battery 1 provided as a DC power supply, a first load 6, a first capacitor 2, a boost converter circuit 3, and a control for controlling the boost converter circuit 3.
  • a circuit 4 and a connector 5 to which an output voltage of the boost converter circuit 3 is supplied are provided, and a second load (not shown) is connected to the connector 5.
  • the first load 6 includes a starter 61, an engine 62, and a generator 63.
  • the starter 61 is supplied with a DC voltage from the battery 1 when the engine is started, and starts the engine 62.
  • electric power is generated by the generator 63 using the rotation as a power source, and this is used as charging power for the battery 1.
  • the step-up converter circuit 3 includes an inductor 31, a first semiconductor switching element 32 and a second semiconductor switching element 33 each including a field effect transistor (MOSFET), a first diode 34, and a second diode 34.
  • 32 are connected in series, and the first semiconductor switching element 32 and the second semiconductor switching element 33 are configured such that the drains are connected so that the body diodes 321 and 331 have opposite polarities. Yes.
  • the anode of the first diode 34 is connected to the connection point between the inductor 31 and the second semiconductor switching element 33, and the output terminal of the connector 5 is connected to the cathode of the first diode 34.
  • a second capacitor 35 is connected to both ends.
  • a second diode 36 having an anode connected to the connection point of the first capacitor 2 and the inductor 31 and a cathode connected to the gate terminal of the second semiconductor switching element 33 via the bias resistor 37, A discharge resistor 38 connected between the gate and source of the semiconductor switching element 33 is provided.
  • the control circuit 4 monitors the input voltage supplied from the battery 1 and the output voltage by the output voltage detection circuit 7, so that the output voltage supplied to the second load becomes a predetermined value.
  • the semiconductor switching element 32 is controlled to be turned on / off.
  • the control circuit 4 uses the output voltage of the boost converter circuit 3 as the voltage of the DC power supply.
  • the boost converter circuit 3 is controlled so that
  • FIG. 2 is a circuit block diagram when the polarity of the battery 1 is normally connected.
  • the first load 6 including the starter 61, the engine 62, and the generator 63 in FIG.
  • the energy accumulated in the inductor 31 charges the second capacitor 35 via the first diode 34 during the ON period. To be released. In this way, a current flows in the closed loop of the positive terminal of the battery 1 ⁇ the inductor 31 ⁇ the first diode 34 ⁇ the second capacitor 35 ⁇ the negative terminal of the battery 1.
  • FIG. 3 is a circuit block diagram when the polarity of the battery 1 is reversely connected.
  • the body diode 321 of the first semiconductor switching element 32 is turned on because a forward bias is applied, but the body diode 331 of the second semiconductor switching element 33 is reversely biased. Do not turn on. That is, by using two semiconductor switching elements (32 and 33) for the switch of the boost converter circuit 3 and connecting them in series so that their body diodes (321 and 331) have opposite polarities, the polarity of the battery 1 can be mistaken. Can be prevented from flowing through the boost converter circuit 3, and as a result, the load connected to the output of the boost converter circuit 3 can be prevented from being broken or malfunctioning. be able to.
  • the second semiconductor switching element 33 is inevitably turned on when the battery 1 is normally connected without being controlled by the control circuit 4 or the like due to the presence of the second diode 36.
  • the output voltage of the boost converter circuit 3 is set to be equal to the supply voltage of the battery 1 for the purpose of compensating for the transient decrease in the supply voltage of the battery 1 when the starter 61 is started as described above. Of course, it is possible to set an output voltage higher than that.
  • the output voltage of the boost converter circuit 3 can be appropriately controlled.
  • FIG. 4 is a circuit diagram illustrating the configuration of the vehicle power supply device according to the second embodiment of the present invention.
  • the second embodiment is different from the first embodiment in that on / off control of the second semiconductor switching element 33 is realized by the control circuit 4. If the control circuit 4 is configured to be able to detect the voltage across the inductor 31, it is possible to perform on / off control of each of the first semiconductor switching element 32 and the second semiconductor switching element 33. Since other points are the same as those of the first embodiment, description thereof is omitted.
  • FIG. 5 is a circuit diagram illustrating the configuration of a vehicle power supply device according to a third embodiment of the present invention.
  • the third embodiment is different from the second embodiment in that the connection order of the first semiconductor switching element 32 and the second semiconductor switching element 33 is reversed. If the on / off control of each of the first semiconductor switching element 32 and the second semiconductor switching element 33 is performed by the control circuit 4, the first semiconductor switching element 32 is connected to the high voltage side as shown in FIG.
  • the second semiconductor switching element 33 may be disposed on the low voltage side. Since other points are the same as those of the first embodiment, description thereof is omitted.
  • FIG. 6 is a circuit diagram illustrating the configuration of a vehicle power supply device according to the fourth embodiment of the present invention.
  • the fourth embodiment is different from the second embodiment in that the second embodiment uses an N-channel FET for the second semiconductor switching element 33, whereas the fourth embodiment The point is that a P-channel FET is used for the second semiconductor switching element 33.
  • the control circuit 4 is configured to perform on / off control of each of the first semiconductor switching element 32 and the second semiconductor switching element 33, a P-channel FET is used for the second semiconductor switching element 33, The same operation can be realized if a negative potential is applied to the gate terminal. Since other points are the same as those of the first embodiment, description thereof is omitted.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)

Abstract

L'invention concerne une unité d'alimentation de véhicule dotée d'une fonction d'arrêt au ralenti. Cette unité d'alimentation comprend un circuit convertisseur survolteur à faible perte qui compense la chute de tension de la batterie au moment du démarrage du moteur et qui est doté d'une fonction de protection lorsque la batterie est connectée de façon erronée à des polarités inversées. L'unité d'alimentation de véhicule selon l'invention est constituée de sorte qu'un circuit en série, comprenant deux transistors à effet de champ MOS (32 et 33) connectés en série et une bobine d'induction (31), soit connecté aux deux bornes d'une source d'alimentation en courant continu, de sorte qu'une diode (34) soit connectée avec le noeud entre les deux transistors à effet de champ MOS (32 et 33) et la bobine d'induction (31), et de sorte qu'un condensateur (35) soit connecté en parallèle avec les deux transistors à effet de champ MOS (32 et 33) connectés en série. Ces deux transistors à effet de champ MOS (32 et 33) sont connectés en série de sorte que leurs diodes de corps mutuelles présentent des polarités opposées.
PCT/JP2009/061075 2008-11-04 2009-06-18 Unite d'alimentation de vehicule WO2010052947A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009537427A JP4420142B1 (ja) 2008-11-04 2009-06-18 車両用電源装置
CN200980140369.XA CN102177644B (zh) 2008-11-04 2009-06-18 车辆用电源装置
US13/090,287 US9350238B2 (en) 2008-11-04 2011-04-20 Power supply device for vehicle including a boosting converter circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008-283362 2008-11-04
JP2008283362 2008-11-04

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/090,287 Continuation US9350238B2 (en) 2008-11-04 2011-04-20 Power supply device for vehicle including a boosting converter circuit

Publications (1)

Publication Number Publication Date
WO2010052947A1 true WO2010052947A1 (fr) 2010-05-14

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US (1) US9350238B2 (fr)
CN (1) CN102177644B (fr)
WO (1) WO2010052947A1 (fr)

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CN102761260A (zh) * 2011-04-26 2012-10-31 晨星软件研发(深圳)有限公司 以低压驱动的升压电路与相关方法
JP2015008611A (ja) * 2013-06-26 2015-01-15 オムロンオートモーティブエレクトロニクス株式会社 Ｄｃ−ｄｃコンバータ
JP2015008612A (ja) * 2013-06-26 2015-01-15 オムロンオートモーティブエレクトロニクス株式会社 Ｄｃ−ｄｃコンバータ
JPWO2016129106A1 (ja) * 2015-02-13 2017-06-22 新電元工業株式会社 バッテリ充電装置、およびバッテリ充電装置の制御方法
WO2021225871A1 (fr) * 2020-05-05 2021-11-11 Nidec Motor Corporation Système et procédé de protection de batterie inverse dans un entraînement de moteur régénératif

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US9041244B2 (en) * 2010-12-30 2015-05-26 Infineon Technologies Ag On-board power supply protection
US9287701B2 (en) 2014-07-22 2016-03-15 Richard H. Sherratt and Susan B. Sherratt Revocable Trust Fund DC energy transfer apparatus, applications, components, and methods
WO2016014703A2 (fr) * 2014-07-22 2016-01-28 Sherratt, Richard Appareil de transfert d'énergie à courant continu, applications, composants et procédés
CN111095713B (zh) * 2017-09-15 2023-05-23 株式会社村田制作所 蓄电装置用升降压装置以及蓄电装置
DE102018113738A1 (de) * 2018-06-08 2019-12-12 Infineon Technologies Ag Schalter für Gleichspannungswandler-Funktionalität und Verpolungsschutz-Funktionalität
FR3089365A1 (fr) * 2018-12-03 2020-06-05 Continental Automotive France Convertisseur continu/continu élévateur de tension à dispositif de dérivation de sa diode de protection
WO2020169209A1 (fr) * 2019-02-22 2020-08-27 Incell International Ab Module de batterie protégé contre la polarité inverse
CN110641249B (zh) * 2019-10-31 2023-07-07 广东美的制冷设备有限公司 一种车载空调的供电装置、车载空调及其控制方法

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Publication number Priority date Publication date Assignee Title
CN102761260A (zh) * 2011-04-26 2012-10-31 晨星软件研发(深圳)有限公司 以低压驱动的升压电路与相关方法
JP2015008611A (ja) * 2013-06-26 2015-01-15 オムロンオートモーティブエレクトロニクス株式会社 Ｄｃ−ｄｃコンバータ
JP2015008612A (ja) * 2013-06-26 2015-01-15 オムロンオートモーティブエレクトロニクス株式会社 Ｄｃ−ｄｃコンバータ
JPWO2016129106A1 (ja) * 2015-02-13 2017-06-22 新電元工業株式会社 バッテリ充電装置、およびバッテリ充電装置の制御方法
WO2021225871A1 (fr) * 2020-05-05 2021-11-11 Nidec Motor Corporation Système et procédé de protection de batterie inverse dans un entraînement de moteur régénératif

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US20110193409A1 (en) 2011-08-11
CN102177644A (zh) 2011-09-07
CN102177644B (zh) 2015-05-27
US9350238B2 (en) 2016-05-24

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